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Number Operations & Arithmetic Flashcards

7 cards from real LLN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Number Operations & Arithmetic flashcards as text
  1. A checking account has $250, and a check for $310 is cashed. What is the new balance?

    Answer: −$60

    250 − 310 = −60, so the account is overdrawn by $60.

  2. What is 2³ + 3²?

    Answer: 17

    2³ = 8 and 3² = 9, so 8 + 9 = 17.

  3. A 3-pound bag of apples costs $5.40. What is the price per pound?

    Answer: $1.80

    $5.40 ÷ 3 = $1.80 per pound.

  4. What is 47,862 rounded to the nearest thousand?

    Answer: 48,000

    The hundreds digit is 8 (5 or more), so 47,862 rounds up to 48,000.

  5. A worker earns $16 per hour, works 38 hours, and has a $45 deduction taken out. What is the take-home pay?

    Answer: $563

    16 × 38 = $608, and $608 − $45 = $563.

  6. One bus leaves every 12 minutes and another every 18 minutes. If both leave at 8:00, how many minutes until they next leave together?

    Answer: 36

    The least common multiple of 12 and 18 is 36.

  7. Using the distributive property, what is 25 × 104?

    Answer: 2,600

    25 × 100 + 25 × 4 = 2,500 + 100 = 2,600.

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